Encephaloceles involving only the herniated fourth ventricle are exceedingly rare. We report a case of such a cranial malformation and review the literature regarding these malformations and their potential embryological derailment.

(non strict second order dominance) iff Eu(A) ≥ Eu(B) for all utility functions u on [a, b] such that u′ ≥ 0 and u′′ ≤ 0 . 3. Second order dominance and stop loss. Show that (1) holds (i) iff E(B−d)− ≥ E(A− d)− for all d ∈ [a, b] or (ii) iff Emin(d,B) ≤ Emin(d,A) for all d ∈ [a, b]. 4. Utility and ARA. (a) Show that there exists a unique utility function u on R with a given ARA ρ(x) and such th...

It is demonstrated, by means of analogue electronic simulation and theoretically, that external noise can markedly change the character of the response of a nonlinear system to a low-frequency periodic field. In general, noise of sufficient intensity linearises the response. For certain parameter ranges in particular cases, however, an increase in the noise intensity can sometime have the oppos...

1 Institute for Theoretical Physics, University of Regensburg, D-93040 Regensburg, Germany [email protected] 2 Departamento de Fisica de Materiales, Universidad Complutense de Madrid, E-28040 Madrid, Spain [email protected] 3 Dpto. Matemática Aplicada y Estad́ıstica, EUIT. Aeronáutics U.P.M., PZA Cardenal Cisneros s/n, Madrid 28040, Spain [email protected] 4 Department of Phy...

Manjul Bhargava1, John E. Cremona2, Tom Fisher3, Nick G. Jones4, and Jonathan P. Keating4 1Department of Mathematics, Princeton University, Princeton, NJ 08544, USA, 2Mathematics Institute, Zeeman Building, University of Warwick, Coventry CV4 7AL, UK, 3DPMMS, Centre for Mathematical Sciences, Wilberforce Road, Cambridge CB3 0WB, UK, and 4School of Mathematics, University of Bristol, Bristol BS8...

1.—Institute for Microelectronics, Technical University of Vienna, 1040 Vienna, Austria. 2.—School of Engineering, University of Warwick, Coventry CV4 7AL, UK. 3.—Department of Aircraft Technology, Technological Educational Institution of Sterea Ellada, 34 400 Psachna, Greece. 4.—Department of Microelectronics, IAMPPNM, NCSR ‘Demokritos’, 153 10 Athens, Greece. 5.—Department of Physics, Compute...

3 Alexandra Hamberger, Marcus A. Horn*, Marc G. Dumont, J. Colin Murrell, and 4 Harold L. Drake 5 6 7 1 Department of Ecological Microbiology, University of Bayreuth, 95445 Bayreuth, 8 Germany, and 2 Department of Biological Sciences, University of Warwick, Coventry 9 CV4 7AL, UK 10 11 Running title: rRNA-SIP of acid-tolerant fen Bacteria 12 13

H. M. BLACKBURN, D. BARKLEY AND S. J. SHERWIN Department of Mechanical and Aerospace Engineering, Monash University, Victoria 3800, Australia Mathematics Institute, University of Warwick, Coventry CV4 7AL, UK, and Physique et Mécanique des Milieux Hétérogènes, Ecole Supérieure de Physique et Chimie Industrielles de Paris, (PMMH UMR 7636-CNRS-ESPCI-P6-P7), 10 rue Vauquelin, 75231 Paris, France D...

Ependymoma originated from the ventricular surface of ependymal epithelium cells are neuroepithelial tumors, 90% in the brain, and most of them are located in the posterior fossa, especially in the bottom wall of the fourth ventricle, 10% in spinal cord. Slightly more men than women, the annual incidence rate of about 2/100 million. Because the disease is relatively rare, almost no randomized c...

It is found that the response of a nonlinear dynamical system can be linearised, and its frequency dispersion diminished, by the addition of external noise of sufficient intensity. Taking as an example an overdamped bistable system driven by a low-frequency periodic field, this noise-induced linearisation is investigated through analogue electronic experiments. The wider implications are consid...